Lawn chair



FIG. 1 is a front and right side perspective view of a lawn chair showing my new design looking obliquely downward;

FIG. 2 is a front perspective view thereof;

FIG. 3 is a side perspective view thereof;

FIG. 4 is a rear perspective view thereof; and

FIG. 5 is a top perspective view thereof. 

The ornamental design for a lawn chair, as shown. 